(19)
(11) EP 4 540 314 A1

(12)

(43) Date of publication:
23.04.2025 Bulletin 2025/17

(21) Application number: 23739710.4

(22) Date of filing: 08.06.2023
(51) International Patent Classification (IPC): 
C08K 3/22(2006.01)
 C09K 11/77(2006.01)
(52) Cooperative Patent Classification (CPC):
C08K 3/22; C08K 2003/221; C08K 2201/00; C09K 11/774; C09K 11/77212
 
C-Sets:
  1. C08K 3/22, C08L 33/08;
  2. C08K 3/22, C08L 27/14;
(86) International application number:
PCT/US2023/024849
(87) International publication number:
WO 2023/244493 (21.12.2023 Gazette 2023/51)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 17.06.2022 US 202263366582 P

(71) Applicant: The Boeing Company
Arlington, VA 22202 (US)

(72) Inventor:
  • HARRIS, John N.
    Arlington, VA 22202 (US)

(74) Representative: Smart, Jessica Ann et al
Kilburn & Strode LLP Lacon London 84 Theobalds Road
London WC1X 8NL
London WC1X 8NL (GB)

   


(54) SYNTHETIC POLYMERS HAVING IMPROVED PHOTOSTABILITY THROUGH THE INCORPORATION OF INORGANIC PHOSPHORS